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Matter

Modified True/False
Indicate whether the sentence or statement is true or false.  If false, change the identified word or phrase to make the sentence or statement true.
 

1. 

The melting point is the same temperature as the freezing point for a substance.  _______________

 

2. 

Substances are either elements or mixtures.  _______________

 

3. 

The odor of a substance is a physical property.  _______________

 

4. 

A substance can be separated into simpler parts through differences in their physical properties.  _______________

 

5. 

Colloids are mixtures.  _______________

 

6. 

The freezing of water is a chemical change.  _______________

 

7. 

Homogeneous mixtures can be separated by physical properties.  _______________

 

8. 

Color is a physical property.  _______________

 

9. 

When a firecracker explodes, mass is lost.  _______________

 

10. 

A suspension is a homogeneous mixture.  _______________

 

11. 

The breaking of a glass window is a physical change.  _______________

 

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

12. 

Matter that has a definite volume and a definite shape is a _____.
a.
gas
c.
plasma
b.
liquid
d.
solid
 

13. 

A gaslike mixture with no definite volume or shape that is made up of positively and negatively charged particles is a _____.
a.
gas
c.
plasma
b.
liquid
d.
solid
 

14. 

Matter with no definite volume and no definite shape is a _____.
a.
gas
c.
plasma
b.
liquid
d.
solid
 

15. 

Matter that has a definite volume but no definite shape is a _____.
a.
gas
c.
plasma
b.
liquid
d.
solid
 

16. 

Matter in which the particles are free to move in all directions until they have spread evenly throughout their container is a _____.
a.
gas
b.
liquid
c.
plasma
d.
solid
e.
buoyant
 

17. 

When a physical scientist studies the makeup of matter, he or she is studying the matter's _____.
a.
behavior
c.
energy
b.
composition
d.
technology
 

18. 

Physical science deals with the _____ of matter.
a.
energy
b.
composition
c.
living things
d.
properties
e.
properties and composition
 

19. 

The process of gathering information through the senses is called _____.
a.
analyzing
b.
conclusion
c.
hypothesizing
d.
inferring
e.
observation
 

20. 

A testable prediction about a possible solution to a problem is called _____.
a.
a conclusion
b.
an exercise
c.
an experiment
d.
a hypothesis
e.
a variable
 

21. 

When designing an experiment, the first step is to _____.
a.
analyze the data
c.
state a hypothesis
b.
list a procedure
d.
state the problem
 

22. 

A rule or principle that describes the behavior of something in nature is a _____.
a.
hypothesis
b.
problem
c.
scientific law
d.
theory
e.
variable
 

23. 

An explanation of an event that is based on repeated observations and experiments is a _____.
a.
hypothesis
b.
problem
c.
scientific law
d.
theory
e.
variable
 

24. 

The reason for wearing safety goggles in a laboratory is to _____.
a.
improve eyesight
c.
protect the experimenter from burns
b.
protect clothing from chemical spills
d.
protect the eyes from harmful substances
 

25. 

Three examples of physical change are _____.
a.
boiling of water, bursting a balloon, and melting a candle
b.
burning of gasoline, rotting of an egg, and exploding fireworks
c.
freezing of water, evaporation of gasoline, and rusting a nail
d.
sawing of wood, crushing a can, and toasting a marshmallow
 

26. 

The color of ink is a _____.
a.
chemical change
c.
physical change
b.
chemical property
d.
physical property
 

27. 

Smoke is an example of a _____.
a.
colloid
b.
mixture
c.
solution
d.
substance
e.
suspension
 

28. 

_____ is another name for a homogeneous mixture.
a.
Liquid
c.
Substance
b.
Solution
d.
Suspension
 

29. 

When two or more substances are combined so each substance maintains its own properties, the result is _____.
a.
a chemical change
c.
an element
b.
a compound
d.
a mixture
 

30. 

The scattering of light by colloids is called _____.
a.
air pollution
c.
suspension
b.
conservation
d.
the Tyndall effect
 

Yes/No
Indicate whether you agree with the sentence or statement.
 
 
You are given a flask that contains 250 mL of a clear, brown liquid. You shine a light through the liquid, and no light beam is visible. In the following list of items, record a Y if that item could be a valid inference for the liquid. Record an N if that item could not be a valid inference.
 

31. 

substance
 

32. 

colloid
 

33. 

solution of a solid in a liquid
 

34. 

suspension
 

35. 

solution of a liquid in a liquid
 

Matching
 
 
Match the labeled parts of Figure 9-1 to the correct terms below.

chapter_9_matter_files/i0410000.jpg
 

36. 

pure element
 

37. 

mixture of two elements
 

38. 

pure compound
 

39. 

mixture of two compounds
 

40. 

mixture of a compound and an element
 



 
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